I could sigh you could sigh she could sigh we could sigh you could sigh they could sigh
Forme en V-ing
I could be sighing you could be sighing she could be sighing we could be sighing you could be sighing they could be sighing
Perfect
I could have sighed you could have sighed she could have sighed we could have sighed you could have sighed they could have sighed
Perfect en V-ing
I could have been sighing you could have been sighing she could have been sighing we could have been sighing you could have been sighing they could have been sighing
Négation
Forme simple
I couldn't sigh you couldn't sigh she couldn't sigh we couldn't sigh you couldn't sigh they couldn't sigh
Forme en V-ing
I couldn't be sighing you couldn't be sighing she couldn't be sighing we couldn't be sighing you couldn't be sighing they couldn't be sighing
Perfect
I couldn't have sighed you couldn't have sighed she couldn't have sighed we couldn't have sighed you couldn't have sighed they couldn't have sighed
Perfect en V-ing
I couldn't have been sighing you couldn't have been sighing she couldn't have been sighing we couldn't have been sighing you couldn't have been sighing they couldn't have been sighing
Forme interrogative
Forme simple
could I sigh? could you sigh? could she sigh? could we sigh? could you sigh? could they sigh?
Forme en V-ing
could I be sighing? could you be sighing? could she be sighing? could we be sighing? could you be sighing? could they be sighing?
Perfect
could I have sighed? could you have sighed? could she have sighed? could we have sighed? could you have sighed? could they have sighed?
Perfect en V-ing
could I have been sighing? could you have been sighing? could she have been sighing? could we have been sighing? could you have been sighing? could they have been sighing?
Forme interro-négative
Forme simple
couldn't I sigh? couldn't you sigh? couldn't she sigh? couldn't we sigh? couldn't you sigh? couldn't they sigh?
Forme en V-ing
couldn't I be sighing? couldn't you be sighing? couldn't she be sighing? couldn't we be sighing? couldn't you be sighing? couldn't they be sighing?
Perfect
couldn't I have sighed? couldn't you have sighed? couldn't she have sighed? couldn't we have sighed? couldn't you have sighed? couldn't they have sighed?
Perfect en V-ing
couldn't I have been sighing? couldn't you have been sighing? couldn't she have been sighing? couldn't we have been sighing? couldn't you have been sighing? couldn't they have been sighing?